CN204103499U - Based on the energy saver of low-voltage circuit load balancing - Google Patents
Based on the energy saver of low-voltage circuit load balancing Download PDFInfo
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- CN204103499U CN204103499U CN201420554801.8U CN201420554801U CN204103499U CN 204103499 U CN204103499 U CN 204103499U CN 201420554801 U CN201420554801 U CN 201420554801U CN 204103499 U CN204103499 U CN 204103499U
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- 238000004891 communication Methods 0.000 claims abstract description 78
- 238000013500 data storage Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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Abstract
The utility model discloses a kind of energy saver of low-voltage circuit load balancing, comprise low pressure master switch, low pressure master switch first end connection transformer secondary side, transformer primary side is for connecting mains supply end, second termination of low pressure master switch enters low-voltage bus bar, low-voltage bus bar is also connected with the balanced distribution line of multichannel, the balanced distribution line of multichannel is the series circuit connected to form successively by an outlet switch and N number of block switch, outlet switch access low-voltage bus bar, end between the balanced distribution line of adjacent two-way is connected by interconnection switch and forms low tension loop, low pressure master switch and the outlet switch on the low pressure master switch of every road by together with independently communication channel connected load balance controller, the N number of block switch on the balanced distribution line in every road is by independently communication channel connected load balance controller together.Solve line load unbalanced cause circuit heavy duty or overload problems, avoid because fault or maintenance cause whole piece line outage.
Description
Technical field
The utility model relates to electric power system low pressure equalization distribution technique field, particularly relates to a kind of energy saver based on low-voltage circuit load balancing and the control method thereof that are applicable to the low-voltage circuit of 380V and 220V.
Background technology
, there is not the passage of load transfer in existing low-voltage distributing line many employings radial fashion.In actual distribution network line, electricity consumption situation also exists electricity consumption peak valley and the peak valley of property electricity consumption round the clock, causes the phenomenon that on circuit, Different periods institute on-load is uneven, simultaneously, also there will be load unbalanced phenomena between circuit and circuit, some circuit heavy duties or overload, some line loads are lighter.The subject matter summing up the existence of current low-voltage distributing line is:
(1) heavy duty or overload circuit raise due to line temperature, and conductor resistance increases, and causes line energy loss to increase;
(2) there is the potential safety hazards such as fire in heavy duty or overload circuit;
Article (3) one, when circuit breaks down, the use on this circuit needs to have a power failure per family, and power failure area is large, affects power supply reliability.
Utility model content
The purpose of this utility model is to provide a kind of energy saver based on low-voltage circuit load balancing, reasonably turn for allotment according to the load between circuit, solve line load unbalanced cause circuit heavy duty or overload problems, avoid because fault or maintenance cause whole piece line outage, reduce power failure area, improve low-voltage power supply reliability, ensure low-voltage distribution system safe operation.
The technical solution adopted in the utility model is:
A kind of energy saver of low-voltage circuit load balancing, comprise low pressure master switch, low pressure master switch first end connection transformer secondary side, transformer primary side is for connecting mains supply end, second termination of low pressure master switch enters low-voltage bus bar, low-voltage bus bar is also connected with the balanced distribution line of multichannel, the balanced distribution line of multichannel is the series circuit connected to form successively by an outlet switch and N number of block switch, outlet switch access low-voltage bus bar, the end between the balanced distribution line of adjacent two-way is connected by interconnection switch and forms low tension loop; Described low pressure master switch and the outlet switch on the low pressure master switch of every road by together with independently communication channel connected load balance controller, the N number of block switch on the balanced distribution line in every road is by independently communication channel connected load balance controller together.
Described Load balanced control device comprises microprocessor, and microprocessor connects power module, data storage, program storage, 3G communication module, WiFi communication module, network communication of wireless sensor module, RS485 communication module, RS232 communication module and ethernet communication module respectively.
A described low pressure master switch and the employing of multiple outlet switch have the above-mentioned all block switches of current protection merit and interconnection switch employing has current protecting function; operating power has two-way automatic switching function, and can match the intelligent low voltage circuit breaker of communication mode as required.
Described low pressure master switch, multiple outlet switch, transformer and Load balanced control device are located in switchgear house.
The utility model needs to configure the load data information of outlet switch on the low pressure master switch of electricity consumption equalization region and the balanced distribution line of multichannel and block switch by the RS485 communication module collection of Load balanced control device, carry out analyzing, processing further by the microprocessor in Load balanced control device, thus send control command to corresponding switch, reasonably turn for allotment according to the load between circuit.Meanwhile, solve the unbalanced circuit heavy duty that causes of line load or overload problems, avoid, because fault or maintenance cause whole piece line outage, reducing power failure area, improve low-voltage power supply reliability, ensure low-voltage distribution system safe operation.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is the theory diagram of Load balanced control device of the present utility model.
Embodiment
As shown in Figure 1, 2, the utility model comprises low pressure master switch 3, low pressure master switch 3 first end connection transformer 2 secondary side, transformer 2 primary side is for connecting mains supply end, second termination of low pressure master switch 3 enters low-voltage bus bar 4, low-voltage bus bar 4 is also connected with the balanced distribution line of multichannel, the balanced distribution line of multichannel is the series circuit connected to form successively by an outlet switch and N number of block switch, outlet switch access low-voltage bus bar 4, the end between the balanced distribution line of adjacent two-way is connected by interconnection switch and forms low tension loop; Described low pressure master switch 3 and the outlet switch on the low pressure master switch of every road by together with independently communication channel connected load balance controller 5, the N number of block switch on the balanced distribution line in every road is by independently communication channel connected load balance controller 5 together.Load balanced control device 5 comprises microprocessor, and microprocessor connects power module, data storage, program storage, 3G communication module, WiFi communication module, network communication of wireless sensor module, RS485 communication module, RS232 communication module and ethernet communication module respectively.Low pressure master switch 3, multiple outlet switch, transformer 2 and Load balanced control device 5 are located in switchgear house 1.A low pressure master switch and multiple outlet switch adopt the intelligent low voltage circuit breaker with current protecting function and communication function; above-mentioned all block switches and interconnection switch adopt has current protecting function; operating power has two-way automatic switching function, and can match the intelligent low voltage circuit breaker of communication mode as required.
Low pressure master switch 3 described in the utility model and outlet switch select intelligent low voltage circuit breaker; requirement has current protecting function; and possess communication function; intelligent low-pressure circuit breaker selected by block switch and interconnection switch 13; requirement has current protecting function; the operating power of switch has two-way automatic switching function, can match the communication mode such as radio communication, RS485 communication as required, select wire communication mode in present principles figure.
As shown in Figure 2, Load balanced control device 5 is primarily of microprocessor, power module, data storage, program storage, 3G communication module, WIFI communication module, network communication of wireless sensor module, RS485 communication module, RS232 communication module, ethernet communication module composition.
Wherein, microprocessor adopts Atmel9263, installs (SuSE) Linux OS; Power module is used for powering for Load balanced control device 5; Low pressure master switch, outlet switch, section breaker and interconnection switch send to Load balanced control device 5 data by communication port deposited by data storage; Load balanced control device 5 working procedure deposited by program storage; 3G communication module is used for carrying out radio communication by mobile network and a distant place, configures 2 road communication ports, can match according to engineering practice; Wifi communication module is used for carrying out short-distance wireless communication with local mobile terminal or computer, configures 2 road communication ports; Network communication of wireless sensor module, for carrying out radio communication with the section breaker on circuit and interconnection switch, configures 4 road communication ports, can match according to engineering practice; RS485 communication module is used for carrying out wire communication with low pressure master switch, outlet switch, block switch and interconnection switch, configures 4 tunnel communication interfaces, can match according to engineering practice; RS232 communication module is used for and the communication such as field adjustable computer, configures 2 tunnel communication interfaces, can be used as alternate communication channels; Ethernet communication module is used for, with the communication of the network equipment such as computer, configuring 2 tunnel communication interfaces.As shown in Figure 1, Load balanced control device 5 uses 3 RS485 interfaces to communicate with variable connector, a RS485 of low order end is by communication line and block switch 8, block switch 9, block switch 10, block switch 11 is connected with interconnection switch 13, a middle RS485 interface is by communication line and low pressure master switch 3, outlet switch 6, outlet switch 19 connects, a RS485 interface of high order end is by communication line and block switch 14, block switch 15, block switch 16, block switch 17 connects, certainly, also need to select communication mode according to engineering practice, configuration communication interface.Suppose that the load on circuit is evenly distributed, when circuit being installed 3 block switches, circuit is divided into 4 sections, and every section of load accounts for 25% of whole piece line load; When circuit being installed 4 block switches, circuit is divided into 5 sections, and every section of load accounts for 20% of whole piece line load; When circuit being installed 5 block switches, circuit is divided into 6 sections, and every section of load accounts for 16.7% of whole piece line load.The quantity of block switch will be determined according to on-site actual situations, recommends employing 4 block switch schemes.
The main implementation of Load balanced control device 5 is: first, power module switches on power, to microprocessor and other module for power supply, microprocessor operating load balance controller 5 program, carry out system initialization, microprocessor sends communication instruction to RS485 communication module or network communication of wireless sensor module again, gather the data of each switch, microprocessor processes accordingly to each switch data collected again, generate the load data of each bar circuit total load situation and each section of circuit, judge that whether the load between circuit is balanced, if unbalanced and meet regularization condition, then send remote control command to respective switch, continue to perform next collection or adjustment process, until meet equilibrium.In fig. 1, for block switch 8, illustrate that Load balanced control device 5 gathers the implementation of switch data.Microprocessor sends the data acquisition instructions of numbering containing block switch 8 to a RS485 interface of low order end, simultaneously, microprocessor also can carry out the wireless transmission of Information Monitoring by network communication of wireless sensor module, this instruction is passed on other switching circuits of block switch 8 and communication line 12 connection by communication line 12, now, block switch 8 response instruction, and other switches will not respond; Returned the data needing to gather immediately to a RS485 interface of low order end by communication line 12, microprocessor sends image data instruction to other switches again, gathers the data of each switch one by one.For block switch 8 in accompanying drawing 1, the implementation of Load balanced control device 5 remote control switch deciliter is described.Microprocessor sends the remote control command of numbering containing block switch 8 to a RS485 interface of low order end; This instruction passes to by communication line 12 other switches that 8 block switches and communication line connect, block switch 8 response instruction and other switches will not respond; If the instruction of remote control separating brake, then block switch 8 disjunction, if reclosing command, then block switch 8 closes; After remote control command is finished, block switch 8 returns remote control execution result by communication line 12 to a RS485 interface of low order end.
For accompanying drawing 1, the following detailed description of the self-adjusting operation principle of the utility model load balancing:
When circuit normally runs, master switch, outlet switch and block switch are in the state of closing, and interconnection switch is in disjunction state; The total load of circuit I7 equals circuit I7 each section of load sum, and the total load of circuit II18 equals circuit II18 each section of load sum, and namely one section of load of circuit is 20% of whole piece line load.
The total load data of Load balanced control device 5 according to every bar circuit and the load data of every section of circuit, determine the switch number and the remote control order that need remote control.If circuit I7 heavy duty or overload, the relative underloading of circuit II18, suppose that circuit I7 load is greater than 40% of circuit II18 load, Load balanced control device 5 remote control closes interconnection switch 13, remote control disjunction block switch 11, now, the sharing of load of the 11-13 section of circuit I7 is on circuit II18, the 6-8 of circuit I7, 8-9, the load of 9-10 section is powered all normal, but, circuit I7 load have dropped 20%, due to load the closing by interconnection switch 13 of the 11-13 section of circuit I7, transfer on circuit II18, thus make circuit II18 load rise 20%, the load of circuit I7 and circuit II18 reaches balanced, suppose that circuit I7 load is greater than 80% of circuit II18 load, Load balanced control device 5 remote control closes interconnection switch 13, remote control disjunction block switch 10, by the 10-11 section of circuit I7 and the sharing of load of 11-13 section on circuit II18, circuit I7 load declines 40%, circuit II18 load rises 40%, and the load of circuit I7 and circuit II18 reaches balanced, in like manner can adjust the load of other sections, make load between circuit reach balanced.If also there is circuit III, or multiple circuit, then need to join and adjust the outlet switch 19 on circuit II18 or the outlet switch on each bar circuit and block switch.
The implementation procedure that line looped network is powered is as follows:
When the outlet switch 6 of circuit I7 trips for some reason or the 6-8 section of circuit I7 has a power failure for some reason, the user of circuit I7 all has a power failure, now can remote control disjunction block switch 8, close interconnection switch 13, more successively close block switch 11, block switch 10, block switch 9.Like this, except the 6-8 section power failure of circuit I7, other section restores electricity, thus reduces power failure section, improves power supply reliability.
Claims (5)
1. the energy saver based on low-voltage circuit load balancing, it is characterized in that: comprise low pressure master switch, low pressure master switch first end connection transformer secondary side, transformer primary side is for connecting mains supply end, second termination of low pressure master switch enters low-voltage bus bar, low-voltage bus bar is also connected with the balanced distribution line of multichannel, the balanced distribution line of multichannel is the series circuit connected to form successively by an outlet switch and N number of block switch, outlet switch access low-voltage bus bar, end between the balanced distribution line of adjacent two-way is connected by interconnection switch and forms low tension loop, described low pressure master switch and the outlet switch on the low pressure master switch of every road by together with independently communication channel connected load balance controller, the N number of block switch on the balanced distribution line in every road is by independently communication channel connected load balance controller together.
2. the energy saver based on low-voltage circuit load balancing according to claim 1, it is characterized in that: described Load balanced control device comprises microprocessor, microprocessor connects power module, data storage, program storage, 3G communication module, WiFi communication module, network communication of wireless sensor module, RS485 communication module, RS232 communication module and ethernet communication module respectively.
3. the energy saver based on low-voltage circuit load balancing according to claim 2, is characterized in that: a described low pressure master switch and multiple outlet switch adopt the intelligent low voltage circuit breaker with current protecting function and communication function.
4. the energy saver based on low-voltage circuit load balancing according to claim 3; it is characterized in that: above-mentioned all block switches and interconnection switch adopt has current protecting function; operating power has two-way automatic switching function, and can match the intelligent low voltage circuit breaker of communication mode as required.
5. the energy saver based on low-voltage circuit load balancing according to claim 4, is characterized in that: described low pressure master switch, multiple outlet switch, transformer and Load balanced control device are located in switchgear house.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420554801.8U CN204103499U (en) | 2014-09-25 | 2014-09-25 | Based on the energy saver of low-voltage circuit load balancing |
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| CN201420554801.8U CN204103499U (en) | 2014-09-25 | 2014-09-25 | Based on the energy saver of low-voltage circuit load balancing |
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| CN204103499U true CN204103499U (en) | 2015-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218596A (en) * | 2014-09-25 | 2014-12-17 | 国家电网公司 | Energy-saving device based on low-voltage line load balance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218596A (en) * | 2014-09-25 | 2014-12-17 | 国家电网公司 | Energy-saving device based on low-voltage line load balance |
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